package giftmail.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;


public class Main {

	/**
	 * logback测试类--END
	 * @author Demo
	 *
	 */
//	private final Logger logger = LoggerFactory.getLogger(this.getClass());
//	
//	public static void main(String[] args) {
//		Main logback = new Main();
//        logback.testLog();
//        
//	}
//	
//	private void testLog() {
//        logger.debug("print debug log.");
//        logger.info("print info log.");
//        logger.error("print error log.");
//        logger.warn("print warn log.");
//    }

	 /**
     * 向指定URL发送GET方法的请求
     * 
     * @param url
     *            发送请求的URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param) {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url + "?" + param;
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                System.out.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }
	
    /**
     * 向指定 URL 发送POST方法的请求
     * 
     * @param url
     *            发送请求的 URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param,String sessionID) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Cookie", sessionID);
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！"+e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally{
            try{
                if(out!=null){
                    out.close();
                }
                if(in!=null){
                    in.close();
                }
            }
            catch(IOException ex){
                ex.printStackTrace();
            }
        }
        return result;
    }
    
    
    /**
     * 模拟登陆
     * @param args
     */
    public static String sendLogin() {
    	String surl = "http://localhost:8090/giftmail/loginController/login.do";  
    	URL url;
		try {
			url = new URL(surl);
			HttpURLConnection connection = (HttpURLConnection) url.openConnection();  
			connection.setDoOutput(true); 
			OutputStreamWriter out = new OutputStreamWriter(connection  
			        .getOutputStream(), "GBK");  
			out.write("userName=demo&userPwd=123");
			out.flush();  
			out.close();
			String cookieVal = connection.getHeaderField("Set-Cookie"); 
			//connection.setRequestProperty("Cookie", cookieVal);
			return cookieVal;
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return null;
		}  
    	
    	
    }
	
    public static void main(String[] args) {
        //发送 GET 请求
//        String s=Main.sendGet("http://localhost:8090/giftmail/wxController/getPrePayId.do", "body=bb&outTradeNo=123456111&totalFee=0.01");
//        System.out.println(s);
    	
    	/**
    	 * 先模拟登陆存入session
    	 * 后post请求访问微信支付
    	 */
		try {
			String sendLogin = Main.sendLogin();
			
	    	if(sendLogin != null){
	    		 //resumeConnection.setRequestProperty("Cookie", sendLogin);  
	    	      //发送 POST 请求
	    	        String sr=Main.sendPost("http://localhost:8090/giftmail/wxController/getPrePayId.do", "body=bb&outTradeNo=123456111&totalFee=0.01",sendLogin);
	    	        System.out.println(sr);
	    	}
	    	
		} catch (Exception e) {
			e.printStackTrace();
		}
    	  
    	
    	
    	
  
    }
    
    
}
